10000 BUG: Prevent 3D-ndarray for nested tuple labels (#24687) by summonholmes · Pull Request #24732 · pandas-dev/pandas · GitHub
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BUG: Prevent 3D-ndarray for nested tuple labels (#24687) #24732

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BUG: Prevent 3D-ndarray for nested tuple labels (#24687) #24732

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da274d9
Prevent 3D-ndarray for nested tuple labels (#24687)
shanekimble Jan 11, 2019
cde96f8
Isolate the exact array shape when issue occurs
Jan 12, 2019
9360eb7
Prevent lists from triggering error
Jan 12, 2019
5143c18
Revert "Prevent lists from triggering error"
Jan 12, 2019
ef91ba2
edge case for ndarray only
Jan 12, 2019
cec3d57
Revert fork to original state
shanekimble Jan 14, 2019
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Isolate the exact array shape when issue occurs
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summonholmes authored and summonholmes committed Jan 12, 2019
commit cde96f8db91f23e213c5abae8db2c3bc7be2da7c
2 changes: 1 addition & 1 deletion pandas/core/indexes/base.py
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Expand Up @@ -5282,7 +5282,7 @@ def ensure_index(index_like, copy=False):
if len(converted) > 0 and all_arrays:
from .multi import MultiIndex
return MultiIndex.from_arrays(converted)
elif converted.size > 2:
elif converted.shape == (1, 2, 2):
# When nested tuples are incorrectly converted
# to > 2 dimensions (Extremely rare)
index_like = np.ndarray((1, 2), dtype=tuple)
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